Sometimes, as Pilates instructors, when we see a very curved or very rigid back, we feel the need to “fix” it: to straighten it or bring it closer to a more aesthetic, more aligned, more “correct” version. But the spine is not a mistake that came out wrong. It is organized into three physiological curves: cervical lordosis, thoracic kyphosis, and lumbar lordosis. These curves are not there to make things harder, but to allow the body to absorb load, distribute forces, and mov